#include<iostream>

using namespace std;
const int N=1010;
int a[N][N];

int main()
{
	int n,m;cin>>n>>m;
	for(int i=1;i<=m;i++)
	{
		int x1,y1,x2,y2;
		cin>>x1>>y1>>x2>>y2;
		a[x1][y1]+=1;
		a[x2+1][y2+1]+=1;
		a[x2+1][y1]-=1;
		a[x1][y2+1]-=1;
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			a[i][j]+=a[i-1][j]+a[i][j-1]-a[i-1][j-1];
			cout<<a[i][j]<<" ";
		}
		cout<<endl;
	}
}